2019 Land Rover Discovery AC Isn't Working

Troubleshooting Common AC Issues in Your 2019 Land Rover Discovery and How to Restore Comfort

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2019 Land Rover Discovery AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2019 Land Rover Discovery?

When faced with an AC malfunction in your 2019 Land Rover Discovery, start by checking the thermostat settings to ensure they are correctly adjusted. A simple misconfiguration can often be the culprit behind an unresponsive system. Next, inspect the air vents to confirm that air is flowing; a lack of airflow may indicate issues with the blower motor or blockages in the air ducts. Pay attention to any unusual noises when the AC is activated, as these sounds can signal problems with the compressor or other components. It's also crucial to check the refrigerant levels using a pressure gauge, as low levels can result in warm air blowing from the vents. Additionally, look for any visible signs of leaks, such as oily residue around connections, which can lead to refrigerant loss. Finally, ensure that all electrical connections related to the AC system are secure and free from corrosion, as faulty connections can hinder performance. By systematically following these steps, you can effectively diagnose and address the issues affecting your vehicle's air conditioning system.

What are the common problems that could cause the AC to stop working in a 2019 Land Rover Discovery?

When the air conditioning system in a 2019 Land Rover Discovery fails to operate, it can be frustrating, but understanding the common problems can guide you in diagnosing the issue. One prevalent cause is low refrigerant levels, which can significantly hinder the system's cooling efficiency. If the refrigerant is low, it may indicate a leak that needs to be addressed. Another potential culprit is a faulty compressor; if the compressor is not functioning correctly, it will fail to circulate the refrigerant, leading to inadequate cooling. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, making it essential to check these components. A clogged or leaking condenser can also impede the system's ability to cool air effectively, so inspecting this part is crucial. Lastly, a malfunctioning thermostat may not accurately regulate the temperature, further complicating the AC's performance. By identifying these common problems, you can take the necessary steps to troubleshoot and potentially fix the AC system in your Land Rover Discovery.

How urgent is it to repair the non-functioning AC in a 2019 Land Rover Discovery?

When faced with a non-functioning AC in a 2019 Land Rover Discovery, the urgency of repair cannot be overstated. The discomfort caused by a malfunctioning air conditioning system can significantly detract from the driving experience, especially during sweltering summer months or on long journeys. More critically, the safety implications are profound; extreme heat can lead to driver fatigue and distraction, increasing the risk of accidents. Additionally, neglecting AC repairs can exacerbate underlying issues within the vehicle's cooling system, potentially leading to more severe and costly damage. Furthermore, maintaining a fully operational AC system is essential for preserving the vehicle's resale value, as prospective buyers are likely to be deterred by any signs of neglect. Therefore, addressing AC issues promptly is not just a matter of comfort but a crucial step in ensuring safety, vehicle longevity, and financial prudence.

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